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Calcium in PDB 2i4c: Crystal Structure of Bicarbonate Transport Protein Cmpa From Synechocystis Sp. Pcc 6803 in Complex with Bicarbonate and Calcium

Protein crystallography data

The structure of Crystal Structure of Bicarbonate Transport Protein Cmpa From Synechocystis Sp. Pcc 6803 in Complex with Bicarbonate and Calcium, PDB code: 2i4c was solved by N.M.Koropatkin, T.J.Smith, H.B.Pakrasi, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 56.82 / 1.70
Space group P 1
Cell size a, b, c (Å), α, β, γ (°) 44.240, 49.240, 57.200, 87.40, 80.80, 75.40
R / Rfree (%) 19.3 / 21.8

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of Bicarbonate Transport Protein Cmpa From Synechocystis Sp. Pcc 6803 in Complex with Bicarbonate and Calcium (pdb code 2i4c). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Crystal Structure of Bicarbonate Transport Protein Cmpa From Synechocystis Sp. Pcc 6803 in Complex with Bicarbonate and Calcium, PDB code: 2i4c:

Calcium binding site 1 out of 1 in 2i4c

Go back to Calcium Binding Sites List in 2i4c
Calcium binding site 1 out of 1 in the Crystal Structure of Bicarbonate Transport Protein Cmpa From Synechocystis Sp. Pcc 6803 in Complex with Bicarbonate and Calcium


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of Bicarbonate Transport Protein Cmpa From Synechocystis Sp. Pcc 6803 in Complex with Bicarbonate and Calcium within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca461

b:17.1
occ:1.00
OE2 A:GLU270 2.2 14.7 1.0
OE2 A:GLU70 2.3 9.5 1.0
OE2 A:GLU271 2.4 14.7 1.0
OE1 A:GLN198 2.4 19.5 1.0
O1 A:BCT460 2.5 24.3 1.0
OD1 A:ASN152 2.5 13.9 1.0
CG A:ASN152 3.3 8.5 1.0
CD A:GLN198 3.3 17.0 1.0
C A:BCT460 3.4 23.1 1.0
CD A:GLU270 3.4 12.1 1.0
CD A:GLU271 3.4 10.4 1.0
ND2 A:ASN152 3.4 10.9 1.0
CD A:GLU70 3.4 8.5 1.0
O2 A:BCT460 3.5 22.6 1.0
NE2 A:GLN198 3.9 19.9 1.0
CG A:GLU271 3.9 8.7 1.0
CG A:GLU70 4.1 6.9 1.0
CG A:GLU270 4.1 9.8 1.0
OE1 A:GLU270 4.3 11.9 1.0
CG A:GLN198 4.4 15.0 1.0
OE1 A:GLU70 4.4 7.8 1.0
O A:HOH880 4.4 18.8 1.0
CD1 A:ILE68 4.4 8.8 1.0
OE1 A:GLU271 4.5 11.8 1.0
O3 A:BCT460 4.6 21.1 1.0
NE2 A:GLN121 4.7 9.5 1.0
CB A:ASN152 4.7 8.6 1.0
CB A:ASN197 4.8 7.8 1.0
CG A:GLN121 4.8 6.6 1.0
O A:HOH506 4.9 37.3 1.0
ND2 A:ASN197 4.9 13.4 1.0
CD A:GLN121 5.0 9.1 1.0

Reference:

N.M.Koropatkin, D.W.Koppenaal, H.B.Pakrasi, T.J.Smith. The Structure of A Cyanobacterial Bicarbonate Transport Protein, Cmpa. J.Biol.Chem. V. 282 2606 2007.
ISSN: ISSN 0021-9258
PubMed: 17121816
DOI: 10.1074/JBC.M610222200
Page generated: Tue Jul 8 06:08:41 2025

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